Announced the Series NSS Non-Contact Speed Switches

March 2, 2007
The NEW Series NSSM and NSSP Speed Switches are perfect for indication of speed of conveyors, drives and belts. They are well suited for applications in mechanical conveying of bulk materials to indicate problems. Units are non-contact using a magnetic disc attached to the drive shaft allowing easy assembly. They feature an adjustable speed set point design and are available in 10 to 100 and 100 to 5000 RPM sizes. Speed sensors come in a weatherproof plastic housing or an explosion-proof metal housing and are 115 VAC powered. Pricing starts at an economical $358.00. Dwyer Instruments, Inc. produces a broad range of measuring and control instruments for pressure, temperature, level, flow, and many other related applications. • Temperature Limits: Operating -40 to 140ºF (-40 to 60ºC). • Enclosure: NSSM: Cast aluminum; NSSP: Polyvinylchloride (PVC). • Enclosure Rating: NSSM: Class I, Group D; Class II, Groups E, F, G; Class III; NSSP: NEMA 4X. • Switch Type: SPDT. • Electrical Rating: 5A @ 115 VAC. • Electrical Connections: 18 AWG, 12" (30.48 cm) long. • Conduit Connections: 1" female NPT. • Power Requirements: 115 VAC, 60 Hz standard. • Input Signal Type: NPN Open Collector. • Set Point Adjustment: Single turn (270°) Potentiometer. • Gap Distance: 3/8" ±1/8". • Weight: NSSM-A1W: 1.58 lb (1.88 lb with A Disc); NSSM-B1W: 1.60 lb (1.70 lb with B Disc); NSSP-A1W: 0.54 lb (0.82 lb with A Disc); NSSP-B1W: 0.54 lb (0.64 with B Disc). • Agency Approval: UL pending, CE.